1a90a31a9SAndrew Geissler #pragma once 2a90a31a9SAndrew Geissler 38f8ba39fSPatrick Williams #include <functional> 4cb781fe1SNagaraju Goruganti #include <experimental/filesystem> 5cb781fe1SNagaraju Goruganti #include <cereal/cereal.hpp> 6a90a31a9SAndrew Geissler #include <sdbusplus/bus.hpp> 7a90a31a9SAndrew Geissler #include "xyz/openbmc_project/State/Chassis/server.hpp" 8cb781fe1SNagaraju Goruganti #include "xyz/openbmc_project/State/PowerOnHours/server.hpp" 9cb781fe1SNagaraju Goruganti #include "config.h" 10cb781fe1SNagaraju Goruganti #include "timer.hpp" 11a90a31a9SAndrew Geissler 12a90a31a9SAndrew Geissler namespace phosphor 13a90a31a9SAndrew Geissler { 14a90a31a9SAndrew Geissler namespace state 15a90a31a9SAndrew Geissler { 16a90a31a9SAndrew Geissler namespace manager 17a90a31a9SAndrew Geissler { 18cb781fe1SNagaraju Goruganti namespace POH 19cb781fe1SNagaraju Goruganti { 20cb781fe1SNagaraju Goruganti 21cb781fe1SNagaraju Goruganti using namespace std::chrono_literals; 22cb781fe1SNagaraju Goruganti constexpr auto hour = 3600s; // seconds Per Hour 23cb781fe1SNagaraju Goruganti 24cb781fe1SNagaraju Goruganti } // namespace POH 25a90a31a9SAndrew Geissler 268f8ba39fSPatrick Williams using ChassisInherit = sdbusplus::server::object::object< 27cb781fe1SNagaraju Goruganti sdbusplus::xyz::openbmc_project::State::server::Chassis, 28cb781fe1SNagaraju Goruganti sdbusplus::xyz::openbmc_project::State::server::PowerOnHours>; 298f8ba39fSPatrick Williams namespace sdbusRule = sdbusplus::bus::match::rules; 30cb781fe1SNagaraju Goruganti namespace fs = std::experimental::filesystem; 318f8ba39fSPatrick Williams 32a90a31a9SAndrew Geissler /** @class Chassis 33a90a31a9SAndrew Geissler * @brief OpenBMC chassis state management implementation. 34a90a31a9SAndrew Geissler * @details A concrete implementation for xyz.openbmc_project.State.Chassis 35a90a31a9SAndrew Geissler * DBus API. 36a90a31a9SAndrew Geissler */ 378f8ba39fSPatrick Williams class Chassis : public ChassisInherit 38a90a31a9SAndrew Geissler { 39a90a31a9SAndrew Geissler public: 40a90a31a9SAndrew Geissler /** @brief Constructs Chassis State Manager 41a90a31a9SAndrew Geissler * 42dff50ed6SAndrew Geissler * @note This constructor passes 'true' to the base class in order to 43dff50ed6SAndrew Geissler * defer dbus object registration until we can run 44dff50ed6SAndrew Geissler * determineInitialState() and set our properties 45dff50ed6SAndrew Geissler * 46a90a31a9SAndrew Geissler * @param[in] bus - The Dbus bus object 47dff50ed6SAndrew Geissler * @param[in] instance - The instance of this object 48a90a31a9SAndrew Geissler * @param[in] objPath - The Dbus object path 49a90a31a9SAndrew Geissler */ 5058a18013SAndrew Geissler Chassis(sdbusplus::bus::bus& bus, const char* busName, 51a90a31a9SAndrew Geissler const char* objPath) : 528f8ba39fSPatrick Williams ChassisInherit(bus, objPath, true), 532ec3a7e9SAndrew Geissler bus(bus), 5458a18013SAndrew Geissler systemdSignals( 5558a18013SAndrew Geissler bus, 5658a18013SAndrew Geissler sdbusRule::type::signal() + sdbusRule::member("JobRemoved") + 578f8ba39fSPatrick Williams sdbusRule::path("/org/freedesktop/systemd1") + 5858a18013SAndrew Geissler sdbusRule::interface("org.freedesktop.systemd1.Manager"), 5958a18013SAndrew Geissler std::bind(std::mem_fn(&Chassis::sysStateChange), this, 6058a18013SAndrew Geissler std::placeholders::_1)) 61dff50ed6SAndrew Geissler { 620029a5d2SAndrew Geissler subscribeToSystemdSignals(); 630029a5d2SAndrew Geissler 64*9eab9861SMatt Spinler restoreChassisStateChangeTime(); 65*9eab9861SMatt Spinler 66dff50ed6SAndrew Geissler determineInitialState(); 67dff50ed6SAndrew Geissler 68cb781fe1SNagaraju Goruganti restorePOHCounter(); // restore POHCounter from persisted file 69cb781fe1SNagaraju Goruganti 70dff50ed6SAndrew Geissler // We deferred this until we could get our property correct 71dff50ed6SAndrew Geissler this->emit_object_added(); 72dff50ed6SAndrew Geissler } 73dff50ed6SAndrew Geissler 74a90a31a9SAndrew Geissler /** @brief Set value of RequestedPowerTransition */ 75a90a31a9SAndrew Geissler Transition requestedPowerTransition(Transition value) override; 76a90a31a9SAndrew Geissler 77a90a31a9SAndrew Geissler /** @brief Set value of CurrentPowerState */ 78a90a31a9SAndrew Geissler PowerState currentPowerState(PowerState value) override; 79a90a31a9SAndrew Geissler 80cb781fe1SNagaraju Goruganti /** @brief Get value of POHCounter */ 81cb781fe1SNagaraju Goruganti using ChassisInherit::pOHCounter; 82cb781fe1SNagaraju Goruganti 83cb781fe1SNagaraju Goruganti /** @brief Increment POHCounter if Chassis Power state is ON */ 84cb781fe1SNagaraju Goruganti void startPOHCounter(); 85cb781fe1SNagaraju Goruganti 86a90a31a9SAndrew Geissler private: 870029a5d2SAndrew Geissler /** @brief Determine initial chassis state and set internally */ 880029a5d2SAndrew Geissler void determineInitialState(); 890029a5d2SAndrew Geissler 900029a5d2SAndrew Geissler /** 910029a5d2SAndrew Geissler * @brief subscribe to the systemd signals 920029a5d2SAndrew Geissler * 930029a5d2SAndrew Geissler * This object needs to capture when it's systemd targets complete 940029a5d2SAndrew Geissler * so it can keep it's state updated 950029a5d2SAndrew Geissler * 960029a5d2SAndrew Geissler **/ 970029a5d2SAndrew Geissler void subscribeToSystemdSignals(); 980029a5d2SAndrew Geissler 99ce80f24cSAndrew Geissler /** @brief Execute the transition request 100ce80f24cSAndrew Geissler * 101ce80f24cSAndrew Geissler * This function calls the appropriate systemd target for the input 102ce80f24cSAndrew Geissler * transition. 103ce80f24cSAndrew Geissler * 104ce80f24cSAndrew Geissler * @param[in] tranReq - Transition requested 105ce80f24cSAndrew Geissler */ 106ce80f24cSAndrew Geissler void executeTransition(Transition tranReq); 107ce80f24cSAndrew Geissler 108697474c5SJosh D. King /** 109697474c5SJosh D. King * @brief Determine if target is active 110697474c5SJosh D. King * 111697474c5SJosh D. King * This function determines if the target is active and 112697474c5SJosh D. King * helps prevent misleading log recorded states. 113697474c5SJosh D. King * 114697474c5SJosh D. King * @param[in] target - Target string to check on 115697474c5SJosh D. King * 116697474c5SJosh D. King * @return boolean corresponding to state active 117697474c5SJosh D. King **/ 118697474c5SJosh D. King bool stateActive(const std::string& target); 119697474c5SJosh D. King 1200029a5d2SAndrew Geissler /** @brief Check if systemd state change is relevant to this object 1212ec3a7e9SAndrew Geissler * 1220029a5d2SAndrew Geissler * Instance specific interface to handle the detected systemd state 1230029a5d2SAndrew Geissler * change 1242ec3a7e9SAndrew Geissler * 1252ec3a7e9SAndrew Geissler * @param[in] msg - Data associated with subscribed signal 1262ec3a7e9SAndrew Geissler * 1272ec3a7e9SAndrew Geissler */ 1288f8ba39fSPatrick Williams int sysStateChange(sdbusplus::message::message& msg); 1292ec3a7e9SAndrew Geissler 130a90a31a9SAndrew Geissler /** @brief Persistent sdbusplus DBus connection. */ 131a90a31a9SAndrew Geissler sdbusplus::bus::bus& bus; 1322ec3a7e9SAndrew Geissler 1330029a5d2SAndrew Geissler /** @brief Used to subscribe to dbus systemd signals **/ 1348f8ba39fSPatrick Williams sdbusplus::bus::match_t systemdSignals; 135cb781fe1SNagaraju Goruganti 136cb781fe1SNagaraju Goruganti /** @brief Used to Set value of POHCounter */ 137cb781fe1SNagaraju Goruganti uint32_t pOHCounter(uint32_t value) override; 138cb781fe1SNagaraju Goruganti 139cb781fe1SNagaraju Goruganti /** @brief Used to restore POHCounter value from persisted file */ 140cb781fe1SNagaraju Goruganti void restorePOHCounter(); 141cb781fe1SNagaraju Goruganti 142cb781fe1SNagaraju Goruganti /** @brief Serialize and persist requested POH counter. 143cb781fe1SNagaraju Goruganti * 144cb781fe1SNagaraju Goruganti * @param[in] dir - pathname of file where the serialized POH counter will 145cb781fe1SNagaraju Goruganti * be placed. 146cb781fe1SNagaraju Goruganti * 147cb781fe1SNagaraju Goruganti * @return fs::path - pathname of persisted requested POH counter. 148cb781fe1SNagaraju Goruganti */ 149cb781fe1SNagaraju Goruganti fs::path 15081957841SMatt Spinler serializePOH(const fs::path& dir = fs::path(POH_COUNTER_PERSIST_PATH)); 151cb781fe1SNagaraju Goruganti 15281957841SMatt Spinler /** @brief Deserialize a persisted requested POH counter. 153cb781fe1SNagaraju Goruganti * 154cb781fe1SNagaraju Goruganti * @param[in] path - pathname of persisted POH counter file 155cb781fe1SNagaraju Goruganti * @param[in] retCounter - deserialized POH counter value 156cb781fe1SNagaraju Goruganti * 157cb781fe1SNagaraju Goruganti * @return bool - true if the deserialization was successful, false 158cb781fe1SNagaraju Goruganti * otherwise. 159cb781fe1SNagaraju Goruganti */ 16081957841SMatt Spinler bool deserializePOH(const fs::path& path, uint32_t& retCounter); 161cb781fe1SNagaraju Goruganti 162*9eab9861SMatt Spinler /** @brief Sets the LastStateChangeTime property and persists it. */ 163*9eab9861SMatt Spinler void setStateChangeTime(); 164*9eab9861SMatt Spinler 165*9eab9861SMatt Spinler /** @brief Serialize the last power state change time. 166*9eab9861SMatt Spinler * 167*9eab9861SMatt Spinler * Save the time the state changed and the state itself. 168*9eab9861SMatt Spinler * The state needs to be saved as well so that during rediscovery 169*9eab9861SMatt Spinler * on reboots there's a way to know not to update the time again. 170*9eab9861SMatt Spinler */ 171*9eab9861SMatt Spinler void serializeStateChangeTime(); 172*9eab9861SMatt Spinler 173*9eab9861SMatt Spinler /** @brief Deserialize the last power state change time. 174*9eab9861SMatt Spinler * 175*9eab9861SMatt Spinler * @param[out] time - Deserialized time 176*9eab9861SMatt Spinler * @param[out] state - Deserialized power state 177*9eab9861SMatt Spinler * 178*9eab9861SMatt Spinler * @return bool - true if successful, false otherwise. 179*9eab9861SMatt Spinler */ 180*9eab9861SMatt Spinler bool deserializeStateChangeTime(uint64_t& time, PowerState& state); 181*9eab9861SMatt Spinler 182*9eab9861SMatt Spinler /** @brief Restores the power state change time. 183*9eab9861SMatt Spinler * 184*9eab9861SMatt Spinler * The time is loaded into the LastStateChangeTime D-Bus property. 185*9eab9861SMatt Spinler * On the very first start after this code has been applied but 186*9eab9861SMatt Spinler * before the state has changed, the LastStateChangeTime value 187*9eab9861SMatt Spinler * will be zero. 188*9eab9861SMatt Spinler */ 189*9eab9861SMatt Spinler void restoreChassisStateChangeTime(); 190*9eab9861SMatt Spinler 191cb781fe1SNagaraju Goruganti /** @brief Timer */ 192cb781fe1SNagaraju Goruganti std::unique_ptr<phosphor::state::manager::Timer> timer; 193a90a31a9SAndrew Geissler }; 194a90a31a9SAndrew Geissler 195a90a31a9SAndrew Geissler } // namespace manager 196a90a31a9SAndrew Geissler } // namespace state 197a90a31a9SAndrew Geissler } // namespace phosphor 198